This is a demo TestComplete test written in JavaScript to test BMI Calculator native iOS app with Appium

BmiCalculatorTest.sj.js

function BmiCalculatorTest()
{
  try
  {
    //Create an instance of DesirecCapabilities, CapabilityType and By Class using CLR Bridge & dotNET Object 
    var Capabilities = dotNET.OpenQA_Selenium_Remote.DesiredCapabilities.zctor();
    var CapabilityType = dotNET.OpenQA_Selenium_Remote.CapabilityType;
    var By = dotNET.OpenQA_Selenium.By;
   
    //Set up the capabilities to run test on iOS application on local Appium server
    Capabilities.setCapability(CapabilityType.BrowserName, "iOS");
    Capabilities.setCapability(CapabilityType.Version, "6.1");
    Capabilities.setCapability(CapabilityType.Platform, "Mac");
  
    //Set up the RemoteWebDriver    
    var uri = dotNET.System.Uri.zctor("http://mymacmachine:4723/wd/hub");
    var driver = dotNET.OpenQA_Selenium_Remote.RemoteWebDriver.zctor_3(uri,Capabilities);
  
    //Get the Hight text field and enter value
    var HeightField = driver.FindElement(By.Name("Height"));
    HeightField.SendKeys("181");
  
    //Get the Weight text field and enter value 
    var WeightField = driver.FindElement(By.Name("Weight"));
    WeightField.SendKeys("80");
  
    //Get the Calculate button and tap/click on it
    var CalculateButton = driver.FindElement(By.Name("Calculate"));
  
    CalculateButton.Click();
  
    //Get the Bmi lables
    var BmiLabel = driver.FindElement(By.Name("bmi"));
    var BmiCategoryLabel = driver.FindElement(By.Name("category")); 
  
    //Check labels for expected values
    if(aqObject.CompareProperty(BmiLabel.Text, cmpEqual, "24.42")) {
      Log.Checkpoint ("Calculated BMI is correct!");
    }
    else {
      Log.Error( "Calculated BMI does not match expected value");
    }
  
    if(aqObject.CompareProperty(BmiCategoryLabel.Text, cmpEqual, "Normal")) {
      Log.Checkpoint( "BMI Category is correct!");
    }
    else {
      Log.Error( "BMI Category does not match with expected value");
    }
    driver.Quit();
  }
  catch(err){
    Log.Error(err.Message);
  }
}